SOLUTION: Equipment calibration costs for hospital equipment, such as x-ray machines or defibrillators is an often overlooked expense with many major hospitals. In a survey, 37% of a list of

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Question 251565: Equipment calibration costs for hospital equipment, such as x-ray machines or defibrillators is an often overlooked expense with many major hospitals. In a survey, 37% of a list of major hospitals said they have had equipment callibration requirements in the last year. If 17 hospitals are selected at random what is the probability that non have had calibration requirements?
Answer by stanbon(75887) About Me  (Show Source):
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Equipment calibration costs for hospital equipment, such as x-ray machines or defibrillators is an often overlooked expense with many major hospitals.
In a survey, 37% of a list of major hospitals said they have had equipment callibration requirements in the last year. If 17 hospitals are selected at random what is the probability that none have had calibration requirements?
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Binomial problem with n=17, p = 0.63, 0
P(x = 0) = 0.63^17 = 0.00038796....
Cheers,
Stan H.